L. Maillard, Auguste Rodin, Statuaire, Paris, 1899, pp. 121-122 (another version illustrated fig. 16).<br>G. Grappe, Catalogue du Musée Rodin, Paris, 1927, nos. 69-70, p. 42 (another version illustrated).<br>J. Cladel, Rodin, London, 1936 (the marble version illustrated p. 97).<br>G. Grappe, Le Musée Rodin, Paris, 1944, p. 141 (another version illustrated pl. 56).<br>R. Descharnes & J.F. Chabrun, Auguste Rodin, London & Melbourne, 1967, p. 135 (another version illustrated p. 134).<br>I. Jianou & C. Goldscheider, Rodin, Paris, 1967, p. 96 (another cast illustrated pls. 56-57).<br>L. Steinberg, Other Criteria, Confrontations with Twentieth-Century Art, Oxford, 1972, no. 232, p. 428 (another version illustrated p. 365).<br>J.L. Tancock, The Sculpture of Auguste Rodin, Philadelphia, 1976, no. 32b, p. 246 (other versions illustrated).<br>A.E. Elsen, Rodin Rediscovered, exh. cat., Washington & Boston, 1981, p. 68 (another version illustrated fig. 3.13).<br>A.-B. Fonsmark, Rodin, exh. cat., New York, 1988, no. 15, pp. 100-102 (another version illustrated p. 101).<br>A.E. Elsen, Rodin's Art, The Rodin Collection of the Iris & B. Gerald Cantor Center for Visual Arts at Stanford University, New York, 2003, pp. 494-497, no. 148 (other versions illustrated pp. 494-496).<br>A. Le Normand-Romain, The Bronzes of Rodin, Catalogue of Works in the Musée Rodin, vol. I, Paris, 2007, no. S. 777, p. 334 (another cast illustrated).